# Copyright 2022 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

# [START documentai_poll_operation]

from time import sleep

from google.api_core.client_options import ClientOptions
from google.cloud import documentai  # type: ignore
from google.longrunning.operations_pb2 import GetOperationRequest  # type: ignore

# TODO(developer): Uncomment these variables before running the sample.
# location = "YOUR_PROCESSOR_LOCATION"  # Format is "us" or "eu"
# operation_name = "YOUR_OPERATION_NAME"  # Format is "projects/{project_id}/locations/{location}/operations/{operation_id}"


def poll_operation_sample(location: str, operation_name: str) -> None:
    # You must set the `api_endpoint` if you use a location other than "us".
    opts = ClientOptions(api_endpoint=f"{location}-documentai.googleapis.com")
    client = documentai.DocumentProcessorServiceClient(client_options=opts)

    request = GetOperationRequest(name=operation_name)

    while True:
        # Make GetOperation request
        operation = client.get_operation(request=request)
        # Print the Operation Information
        print(operation)

        # Stop polling when Operation is no longer running
        if operation.done:
            break

        # Wait 10 seconds before polling again
        sleep(10)


# [END documentai_poll_operation]
